lib/write_xlsx/compatibility.rb in write_xlsx-0.85.5 vs lib/write_xlsx/compatibility.rb in write_xlsx-0.85.6

@@ -43,10 +43,10 @@
   end
 end
 
 unless File.respond_to?(:binread)
   def File.binread(file) #:nodoc:
-    File.open(file,"rb") { |f| f.read }
+    File.open(file,"rb:utf-8:utf-8") { |f| f.read }
   end
 end
 
 if RUBY_VERSION < "1.9"